Home / 749,421.11-1,034,216.24-409,911.23

Finding the Fourth Proportional to 749,421.11, 1,034,216.24 and 409,911.23

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Solution

The fourth proportional to 749,421.11, 1,034,216.24 and 409,911.23 is: 565,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,421.11 : 1,034,216.24 = 409,911.23 : x
  2. Step 2: Convert to fraction form
    749,421.11/1,034,216.24 = 409,911.23/x
  3. Step 3: Cross multiply
    749,421.11x = 1,034,216.24 × 409,911.23
  4. Step 4: Simplify right side
    749,421.11x = 423,936,851,560.36
  5. Step 5: Solve for x
    x = 423,936,851,560.36/749,421.11
  6. Step 6: Final answer
    x = 565,685.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.